The promise of sculpted arms is enough to make us want to bust out a few push-ups right now. But, the benefits of training your triceps, biceps, back and shoulders go far beyond pure aesthetic appeal. A strong upper body is liberating—you can push, pull, balance and carry with ease—while weakness in this area can lead to neck, shoulder and back pain. Here are the best workouts, exercises and tips for creating definition and strength in your arms. And, don’t mind us, we’ll just be flexin’ while our hands up.